com.helger.commons.io.file

Interface IFileOperationManager

All Superinterfaces:

Serializable

All Known Implementing Classes:

FileOperationManager

public interface IFileOperationManager
extends Serializable

Interface for a manager operating on the file system. Is implemented by FileOperationManager.

Author:

Philip Helger

Method Summary

Methods

Modifier and Type	Method and Description
FileIOError	copyDirRecursive(File aSourceDir, File aTargetDir) Copy a directory including all child objects.
FileIOError	copyFile(File aSourceFile, File aTargetFile) Copies the source file to the target file.
FileIOError	createDir(File aDir) Create a new directory.
FileIOError	createDirIfNotExisting(File aDir) Create a new directory if it does not exist.
FileIOError	createDirRecursive(File aDir) Create a new directory.
FileIOError	createDirRecursiveIfNotExisting(File aDir) Create a new directory if it does not exist.
FileIOError	deleteDir(File aDir) Delete an existing directory.
FileIOError	deleteDirIfExisting(File aDir) Delete an existing directory if it is existing.
FileIOError	deleteDirRecursive(File aDir) Delete an existing directory including all child objects.
FileIOError	deleteDirRecursiveIfExisting(File aDir) Delete an existing directory including all child objects if it is existing.
FileIOError	deleteFile(File aFile) Delete an existing file.
FileIOError	deleteFileIfExisting(File aFile) Delete a file if it is existing.
FileIOError	getLastError()
EFileIOOperation	getLastOperation()
FileIOError	renameDir(File aSourceDir, File aTargetDir) Rename a directory.
FileIOError	renameFile(File aSourceFile, File aTargetFile) Rename a file.

Method Detail

getLastError

@Nullable
FileIOError getLastError()

Returns:

The last error that occurred. May be null if no action was yet performed.

getLastOperation

@Nullable
EFileIOOperation getLastOperation()

Returns:

The last operation that was executed, independent of error or success. May be null if no action was performed yet.

createDir

@Nonnull
FileIOError createDir(@Nonnull
                            File aDir)

Create a new directory. The direct parent directory already needs to exist.

Parameters:

aDir - The directory to be created. May not be null.

Returns:

A non-null error code.

createDirIfNotExisting

@Nonnull
FileIOError createDirIfNotExisting(@Nonnull
                                         File aDir)

Create a new directory if it does not exist. The direct parent directory already needs to exist.

Parameters:

aDir - The directory to be created if it does not exist. May not be null.

Returns:

A non-null error code.

createDirRecursive

@Nonnull
FileIOError createDirRecursive(@Nonnull
                                     File aDir)

Create a new directory. The parent directories are created if they are missing.

Parameters:

aDir - The directory to be created. May not be null.

Returns:

A non-null error code.

createDirRecursiveIfNotExisting

@Nonnull
FileIOError createDirRecursiveIfNotExisting(@Nonnull
                                                  File aDir)

Create a new directory if it does not exist. The direct parent directory already needs to exist.

Parameters:

aDir - The directory to be created if it does not exist. May not be null.

Returns:

A non-null error code.

deleteDir

@Nonnull
FileIOError deleteDir(@Nonnull
                            File aDir)

Delete an existing directory. The directory needs to be empty before it can be deleted.

Parameters:

aDir - The directory to be deleted. May not be null.

Returns:

A non-null error code.

deleteDirIfExisting

@Nonnull
FileIOError deleteDirIfExisting(@Nonnull
                                      File aDir)

Delete an existing directory if it is existing. The directory needs to be empty before it can be deleted.

Parameters:

aDir - The directory to be deleted. May not be null.

Returns:

A non-null error code.

deleteDirRecursive

@Nonnull
FileIOError deleteDirRecursive(@Nonnull
                                     File aDir)

Delete an existing directory including all child objects.

Parameters:

aDir - The directory to be deleted. May not be null.

Returns:

A non-null error code.

deleteDirRecursiveIfExisting

@Nonnull
FileIOError deleteDirRecursiveIfExisting(@Nonnull
                                               File aDir)

Delete an existing directory including all child objects if it is existing.

Parameters:

aDir - The directory to be deleted. May not be null.

Returns:

A non-null error code.

deleteFile

@Nonnull
FileIOError deleteFile(@Nonnull
                             File aFile)

Delete an existing file.

Parameters:

aFile - The file to be deleted. May not be null.

Returns:

A non-null error code.

deleteFileIfExisting

@Nonnull
FileIOError deleteFileIfExisting(@Nonnull
                                       File aFile)

Delete a file if it is existing.

Parameters:

aFile - The file to be deleted. May not be null.

Returns:

A non-null error code.

renameDir

@Nonnull
FileIOError renameDir(@Nonnull
                            File aSourceDir,
                            @Nonnull
                            File aTargetDir)

Rename a directory.

Parameters:

aSourceDir - The original directory name. May not be null.

aTargetDir - The destination directory name. May not be null.

Returns:

A non-null error code.

renameFile

@Nonnull
FileIOError renameFile(@Nonnull
                             File aSourceFile,
                             @Nonnull
                             File aTargetFile)

Rename a file.

Parameters:

aSourceFile - The original file name. May not be null.

aTargetFile - The destination file name. May not be null.

Returns:

A non-null error code.

copyDirRecursive

@Nonnull
FileIOError copyDirRecursive(@Nonnull
                                   File aSourceDir,
                                   @Nonnull
                                   File aTargetDir)

Copy a directory including all child objects.

Parameters:

aSourceDir - The source directory to be copied. May not be null.

aTargetDir - The destination directory where to be copied. This directory may not be existing. May not be null.

Returns:

A non-null error code.

copyFile

@Nonnull
FileIOError copyFile(@Nonnull
                           File aSourceFile,
                           @Nonnull
                           File aTargetFile)

Copies the source file to the target file.

Parameters:

aSourceFile - The source file to use. May not be null. Needs to be an existing file.

aTargetFile - The destination files. May not be null and may not be an existing file.

Returns:

A non-null error code.